7355990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{389}}^1$

素因数の和:488

約数の個数: 32

約数和(自身を含む): 13927680

約数和(自身を除く): 6571690

約数列:

[1, 2, 5, 10, 31, 61, 62, 122, 155, 305, 310, 389, 610, 778, 1891, 1945, 3782, 3890, 9455, 12059, 18910, 23729, 24118, 47458, 60295, 118645, 120590, 237290, 735599, 1471198, 3677995, 7355990]

約数ペア:

[(1, 7355990), (2, 3677995), (5, 1471198), (10, 735599), (31, 237290), (61, 120590), (62, 118645), (122, 60295), (155, 47458), (305, 24118), (310, 23729), (389, 18910), (610, 12059), (778, 9455), (1891, 3890), (1945, 3782)]